BMW Gen 3 B58TU2 Rvng 6" XL Flow Downpipe

The Rvng 6" downpipe is built for the Gen 3 B58TU2 engine and has the largest inlet Rvng makes for the platform.

Why you need it

Most Gen 3 B58 downpipes are 4.5" or 5". The 6" inlet has about 44% more flow area than a 5" and 78% more than a 4.5", cutting post-turbo backpressure for better turbo efficiency and more headroom on higher-power builds.

Fits

• 2025+ BMW M340i / M340i xDrive G20 / G21 LCI
• 2025+ BMW M440i / M440i xDrive G22 / G23 / G26 LCI
• 2025+ BMW M540i xDrive / 550e xDrive G60 / G61
• 2025+ BMW 735i / 740i / 740i xDrive / 750e xDrive / M760e xDrive G70
• 2025+ BMW X3 M50 G45
• 2023+ BMW X5 LCI 40i / 40i xDrive / 50e xDrive G05
• 2023+ BMW X6 LCI 40i xDrive G06
• 2023+ BMW X7 LCI 40i xDrive G07
• 2023+ BMW XM 50e G09

Features

• 6" inlet design
• Premium 304 stainless steel, fully TIG-welded
• CNC-machined flanges for OEM-like fitment
• Uncoated or high-temp ceramic coating
• Designed and tested in-house by Rvng

Good to know

Intended for off-road and competition use only. Not legal for use on public roads in many areas. Rvng states a tune is not required to run it safely.